found: Hallmark hall of fame. Peter Pan [MP] 1976:credits (orchestra conducted by Jack Parnell)
found: Performing arts biog. master index, 1981(Jack Parnell; b. 1923 d. 1961)
found: Crosby, R. Kenny Baker, 1999:t.p. (Jack Parnell)
found: Internet, May 8, 2001:(Parnell, Jack, b. London, 6 Aug. 1923)
found: IMDB, Sept. 25, 2008(Jack Parnell; b. Aug. 6, 1923, London, England; birth name: John Russell Parnell)
found: Wikipedia, Sept. 25, 2008(Jack Parnell; b. Aug. 6, 1923; English bandleader and musician)
found: Telegraph WWW site, Aug. 10, 2010(in obituary published Aug. 9: Jack Parnell; b. in London; d. yesterday [Aug. 8, 2010], Southwold, Suffolk, aged 87, two days after his birthday; bandleader and drummer, whose career as a TV composer saw him lead the music on The Muppet show for many years)